 /*******************************************************************************
  * Copyright (c) 2000, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui;

 /**
  * Interface for listening to workbench lifecycle events.
  * <p>
  * This interface may be implemented by clients.
  * </p>
  *
  * @see IWorkbench#addWorkbenchListener
  * @see IWorkbench#removeWorkbenchListener
  * @since 3.2
  */
 public interface IWorkbenchListener {
     
     /**
      * Notifies that the workbench is about to shut down.
      * <p>
      * This method is called immediately prior to workbench shutdown before any
      * windows have been closed.
      * </p>
      * <p>
      * The listener may veto a regular shutdown by returning <code>false</code>,
      * although this will be ignored if the workbench is being forced to shut down.
      * </p>
      * <p>
      * Since other workbench listeners may veto the shutdown, the listener should
      * not dispose resources or do any other work during this notification that would
      * leave the workbench in an inconsistent state.
      * </p>
      *
      * @param workbench the workbench
      * @param forced <code>true</code> if the workbench is being forced to shutdown,
      * <code>false</code> for a regular close
      * @return <code>true</code> to allow the workbench to proceed with shutdown,
      * <code>false</code> to veto a non-forced shutdown
      */
     public boolean preShutdown(IWorkbench workbench, boolean forced);

     /**
      * Performs arbitrary finalization after the workbench stops running.
      * <p>
      * This method is called during workbench shutdown after all windows
      * have been closed.
      * </p>
      *
      * @param workbench the workbench
      */
     public void postShutdown(IWorkbench workbench);

 }

